Improve episode-level compatability with media center apps (#86)

* Add media profile presets (#85)

* Added presets for output templates

* Added presets for the entire media profile form

* Append `-thumb` to thumbnails when downloading (#87)

* Appended -thumb to thumbnails when downloading

* Added code to compensate for yt-dlp bug

* Squash all the commits from the other branch bc I broke things (#88)

priv/repo/migrations/20240314174731_create_source_metadata.exs

@@ -0,0 +1,14 @@
+defmodule Pinchflat.Repo.Migrations.CreateSourceMetadata do
+  use Ecto.Migration
+
+  def change do
+    create table(:source_metadata) do
+      add :metadata_filepath, :string, null: false
+      add :source_id, references(:sources, on_delete: :delete_all), null: false
+
+      timestamps(type: :utc_datetime)
+    end
+
+    create unique_index(:source_metadata, [:source_id])
+  end
+end